Species numbers alone do not fully capture how ecosystems are changing. In a global study, scientists analyzed long-term data from nearly 15,000 marine and freshwater fish communities. They found that ...

Fatty fish such as salmon, sardines, trout, and herring are among the healthiest choices for heart and brain health, thanks to their rich omega-3 fatty acid.

Body shape had a clear influence on energetic demand. Deep-bodied fish, with their larger surface area, generate more resistance as water moves around them, making them naturally better at resisting ...

The ocean is home to a vast array of different animals, each with its own traits. These include different forms of mating, ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Fish are piling up at European ports after a new IT system to detect illegal catches was overwhelmed, prompting ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

An Australian freshwater Murray cod has surprised scientists by swimming a marathon 530 miles along a major river system, believed to be a record for the species. The fish, named Arnie after Australia ...

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans Olivia Ferrari Sea lampreys have large neurons and synapses, making them ...

Whether you’re considering getting a pet betta fish or you already have one, understanding the lifespan of betta fish will help you know what to expect. Knowing how to keep your betta fish healthy and ...

We report a method for the recovery of hearts for transplantation from deceased donors after circulatory death that obviates the need for thoracoabdominal normothermic regional perfusion or ex situ ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

You may not think of fish as being noisy, but they can actually be a pretty vocal bunch. A new AI system is able to quickly identify specific fish calls within general reef noise, allowing scientists ...